* Some minor code cleanup
* Some experimental stuff - likely to just drop soon, so no need for a branch * Minor changes to ansi escape parser
This commit is contained in:
Bryan Ashby
parent
77a9306afa
commit
4f719259fe
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@ -110,7 +110,8 @@ function ANSIEscapeParser(options) {
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}
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}
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self.emit('chunk', text);
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//self.emit('chunk', text);
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self.emit('literal', text);
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}
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function getProcessedMCI(mci) {
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@ -166,7 +167,10 @@ function ANSIEscapeParser(options) {
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});
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if(self.mciReplaceChar.length > 0) {
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self.emit('chunk', ansi.getSGRFromGraphicRendition(self.graphicRenditionForErase));
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//self.emit('chunk', ansi.getSGRFromGraphicRendition(self.graphicRenditionForErase));
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const sgrCtrl = ansi.getSGRFromGraphicRendition(self.graphicRenditionForErase);
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self.emit('control', sgrCtrl, 'm', sgrCtrl.slice(2).split(/[\;m]/).slice(0, 3));
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//self.emit('control', ansi.getSGRFromGraphicRendition(self.graphicRenditionForErase));
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literal(new Array(match[0].length + 1).join(self.mciReplaceChar));
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} else {
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literal(match[0]);
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@ -226,7 +230,8 @@ function ANSIEscapeParser(options) {
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escape(opCode, args);
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self.emit('chunk', match[0]);
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//self.emit('chunk', match[0]);
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self.emit('control', match[0], opCode, args);
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}
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} while(0 !== re.lastIndex);
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@ -479,4 +484,5 @@ ANSIEscapeParser.styles = {
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8 : 'invisibleOn', // FG set to BG
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28 : 'invisibleOff', // Not supported by most BBS-like terminals
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};
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Object.freeze(ANSIEscapeParser.styles);
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Object.freeze(ANSIEscapeParser.styles);
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10
core/art.js
10
core/art.js
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@ -360,9 +360,19 @@ function display(options, cb) {
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}
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});
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/*
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parser.on('chunk', function onChunk(chunk) {
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options.client.term.write(chunk, false);
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});
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*/
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parser.on('literal', literal => {
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options.client.term.write(literal, false);
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});
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parser.on('control', control => {
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options.client.term.write(control, false);
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});
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parser.on('complete', function onComplete() {
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parseComplete = true;
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57
core/fse.js
57
core/fse.js
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@ -1,20 +1,21 @@
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/* jslint node: true */
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'use strict';
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var MenuModule = require('../core/menu_module.js').MenuModule;
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var ViewController = require('../core/view_controller.js').ViewController;
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var ansi = require('../core/ansi_term.js');
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var theme = require('../core/theme.js');
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var MultiLineEditTextView = require('../core/multi_line_edit_text_view.js').MultiLineEditTextView;
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var Message = require('../core/message.js');
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var getMessageAreaByTag = require('../core/message_area.js').getMessageAreaByTag;
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var updateMessageAreaLastReadId = require('../core/message_area.js').updateMessageAreaLastReadId;
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var getUserIdAndName = require('../core/user.js').getUserIdAndName;
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const MenuModule = require('../core/menu_module.js').MenuModule;
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const ViewController = require('../core/view_controller.js').ViewController;
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const ansi = require('../core/ansi_term.js');
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const theme = require('../core/theme.js');
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const MultiLineEditTextView = require('../core/multi_line_edit_text_view.js').MultiLineEditTextView;
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const Message = require('../core/message.js');
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const getMessageAreaByTag = require('../core/message_area.js').getMessageAreaByTag;
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const updateMessageAreaLastReadId = require('../core/message_area.js').updateMessageAreaLastReadId;
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const getUserIdAndName = require('../core/user.js').getUserIdAndName;
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const cleanControlCodes = require('../core/string_util.js').cleanControlCodes;
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var async = require('async');
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var assert = require('assert');
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var _ = require('lodash');
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var moment = require('moment');
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const async = require('async');
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const assert = require('assert');
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const _ = require('lodash');
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const moment = require('moment');
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exports.FullScreenEditorModule = FullScreenEditorModule;
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@ -229,25 +230,32 @@ function FullScreenEditorModule(options) {
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self.message = new Message(msgOpts);
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};
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/*
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this.setBodyMessageViewText = function() {
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self.bodyMessageView.setText(cleanControlCodes(self.message.message));
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};
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*/
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this.setMessage = function(message) {
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self.message = message;
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updateMessageAreaLastReadId(
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self.client.user.userId, self.messageAreaTag, self.message.messageId,
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function lastReadUpdated() {
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self.client.user.userId, self.messageAreaTag, self.message.messageId, () => {
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if(self.isReady) {
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self.initHeaderViewMode();
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self.initFooterViewMode();
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if(self.isReady) {
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self.initHeaderViewMode();
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self.initFooterViewMode();
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var bodyMessageView = self.viewControllers.body.getView(1);
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if(bodyMessageView && _.has(self, 'message.message')) {
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bodyMessageView.setText(self.message.message);
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//bodyMessageView.redraw();
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var bodyMessageView = self.viewControllers.body.getView(1);
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if(bodyMessageView && _.has(self, 'message.message')) {
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//self.setBodyMessageViewText();
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bodyMessageView.setText(cleanControlCodes(self.message.message));
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//bodyMessageView.redraw();
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}
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}
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}
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});
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);
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};
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this.getMessage = function(cb) {
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@ -533,7 +541,8 @@ function FullScreenEditorModule(options) {
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var bodyMessageView = self.viewControllers.body.getView(1);
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if(bodyMessageView && _.has(self, 'message.message')) {
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bodyMessageView.setText(self.message.message);
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//self.setBodyMessageViewText();
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bodyMessageView.setText(cleanControlCodes(self.message.message));
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}
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}
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break;
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@ -11,6 +11,7 @@ exports.replaceAt = replaceAt;
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exports.isPrintable = isPrintable;
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exports.debugEscapedString = debugEscapedString;
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exports.stringFromNullTermBuffer = stringFromNullTermBuffer;
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exports.cleanControlCodes = cleanControlCodes;
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// :TODO: create Unicode verison of this
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var VOWELS = [ 'a', 'e', 'i', 'o', 'u' ];
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@ -179,14 +180,6 @@ function debugEscapedString(s) {
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}
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function stringFromNullTermBuffer(buf, encoding) {
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/*var nullPos = buf.length;
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for(var i = 0; i < buf.length; ++i) {
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if(0x00 === buf[i]) {
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nullPos = i;
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break;
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}
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}
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*/
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let nullPos = buf.indexOf(new Buffer( [ 0x00 ] ));
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if(-1 === nullPos) {
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nullPos = buf.length;
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@ -231,4 +224,104 @@ var stringFormatExtensions = {
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// :TODO: Add padding/etc. modifiers.
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};
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exports.stringFormatExtensions = stringFormatExtensions;
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exports.stringFormatExtensions = stringFormatExtensions;
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// :TODO: See notes in word_wrap.js about need to consolidate the various ANSI related RegExp's
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//const REGEXP_ANSI_CONTROL_CODES = /(\x1b\x5b)([\?=;0-9]*?)([0-9A-ORZcf-npsu=><])/g;
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const REGEXP_ANSI_CONTROL_CODES = /(?:\x1b\x5b)([\?=;0-9]*?)([A-ORZcf-npsu=><])/g;
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const ANSI_OPCODES_ALLOWED_CLEAN = [
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'C', 'm' ,
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'A', 'B', 'D'
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];
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function cleanControlCodes(input) {
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let m;
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let pos;
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let cleaned = '';
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//
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// Loop through |input| adding only allowed ESC
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// sequences and literals to |cleaned|
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//
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do {
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pos = REGEXP_ANSI_CONTROL_CODES.lastIndex;
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m = REGEXP_ANSI_CONTROL_CODES.exec(input);
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if(null !== m) {
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if(m.index > pos) {
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cleaned += input.slice(pos, m.index);
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}
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if(ANSI_OPCODES_ALLOWED_CLEAN.indexOf(m[2].charAt(0)) > -1) {
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cleaned += m[0];
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}
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}
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} while(0 !== REGEXP_ANSI_CONTROL_CODES.lastIndex);
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// remainder
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if(pos < input.length) {
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cleaned += input.slice(pos);
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}
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return cleaned;
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}
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function getCleanAnsi(input) {
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//
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// Process |input| and produce |cleaned|, an array
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// of lines with "clean" ANSI.
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//
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// Clean ANSI:
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// * Contains only color/SGR sequences
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// * All movement (up/down/left/right) removed but positioning
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// left intact via spaces/etc.
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//
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// Temporary processing will occur in a grid. Each cell
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// containing a character (defaulting to space) possibly a SGR
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//
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let m;
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let pos;
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let grid = [];
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let gridPos = { row : 0, col : 0 };
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function updateGrid(data, dataType) {
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//
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// Start at to grid[row][col] and populate val[0]...val[N]
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// creating cells as necessary
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//
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if(!grid[gridPos.row]) {
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grid[gridPos.row] = [];
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}
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if('literal' === dataType) {
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data.forEach(c => {
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grid[gridPos.row][gridPos.col] = (grid[gridPos.row][gridPos.col] || '') + c; // append to existing SGR
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gridPos.col++;
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});
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} else if('sgr' === dataType) {
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grid[gridPos.row][gridPos.col] = (grid[gridPos.row][gridPos.col] || '') + data;
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}
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}
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function literal(s) {
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let charCode;
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const len = s.length;
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for(let i = 0; i < len; ++i) {
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charCode = s.charCodeAt(i) & 0xff;
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}
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}
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do {
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pos = REGEXP_ANSI_CONTROL_CODES.lastIndex;
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m = REGEXP_ANSI_CONTROL_CODES.exec(input);
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if(null !== m) {
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if(m.index > pos) {
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updateGrid(input.slice(pos, m.index), 'literal');
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}
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}
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} while(0 !== REGEXP_ANSI_CONTROL_CODES.lastIndex);
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}
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@ -4,7 +4,133 @@
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var assert = require('assert');
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var _ = require('lodash');
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exports.wordWrapText = wordWrapText;
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exports.wordWrapText = wordWrapText2;
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const SPACE_CHARS = [
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' ', '\f', '\n', '\r', '\v',
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'\u00a0', '\u1680', '\u180e', '\u2000', '\u2001', '\u2002', '\u2003', '\u2004',
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'\u2005', '\u2006', '\u2007', '\u2008', '\u2009', '\u200a', '\u2028', '\u2029',
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'\u202f', '\u205f', '\u3000',
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];
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const REGEXP_WORD_WRAP = new RegExp(`\t|[${SPACE_CHARS.join('')}]`, 'g');
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//
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// ANSI & pipe codes we indend to strip
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//
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// See also https://github.com/chalk/ansi-regex/blob/master/index.js
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//
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// :TODO: Consolidate this, regexp's in ansi_escape_parser, and strutil. Need more complete set that includes common standads, bansi, and cterm.txt
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const REGEXP_CONTROL_CODES = /(\|[\d]{2})|(?:\x1b\x5b)([\?=;0-9]*?)([ABCDHJKfhlmnpsu])/g;
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function getRenderLength(s) {
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let m;
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let pos;
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let len = 0;
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//
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// Loop counting only literal (non-control) sequences
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// paying special attention to ESC[<N>C which means foward <N>
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//
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do {
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pos = REGEXP_CONTROL_CODES.lastIndex;
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m = REGEXP_CONTROL_CODES.exec(s);
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if(null !== m) {
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if(m.index > pos) {
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len += s.slice(pos, m.index).length;
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}
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if('C' === m[3]) { // ESC[<N>C is foward/right
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len += parseInt(m[2], 10) || 0;
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}
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}
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} while(0 !== REGEXP_CONTROL_CODES.lastIndex);
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if(pos < s.length) {
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len += s.slice(pos).length;
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}
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return len;
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}
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function wordWrapText2(text, options) {
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assert(_.isObject(options));
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assert(_.isNumber(options.width));
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options.tabHandling = options.tabHandling || 'expand';
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options.tabWidth = options.tabWidth || 4;
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options.tabChar = options.tabChar || ' ';
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const REGEXP_GOBBLE = new RegExp(`.{0,${options.width}}`, 'g');
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let m;
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let word;
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let c;
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let renderLen;
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let i = 0;
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let wordStart = 0;
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let result = { wrapped : [ '' ], renderLen : [] };
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function expandTab(column) {
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const remainWidth = options.tabWidth - (column % options.tabWidth);
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return new Array(remainWidth).join(options.tabChar);
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}
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function appendWord() {
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word.match(REGEXP_GOBBLE).forEach( w => {
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renderLen = getRenderLength(w);
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if(result.renderLen[i] + renderLen > options.width) {
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if(0 === i) {
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result.firstWrapRange = { start : wordStart, end : wordStart + w.length };
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}
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result.wrapped[++i] = w;
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result.renderLen[i] = renderLen;
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} else {
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result.wrapped[i] += w;
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result.renderLen[i] = (result.renderLen[i] || 0) + renderLen;
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}
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});
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}
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//
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// Some of the way we word wrap is modeled after Sublime Test 3:
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//
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// * Sublime Text 3 for example considers spaces after a word
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// part of said word. For example, "word " would be wraped
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// in it's entirity.
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//
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// * Tabs in Sublime Text 3 are also treated as a word, so, e.g.
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// "\t" may resolve to " " and must fit within the space.
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//
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// * If a word is ultimately too long to fit, break it up until it does.
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//
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while(null !== (m = REGEXP_WORD_WRAP.exec(text))) {
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word = text.substring(wordStart, REGEXP_WORD_WRAP.lastIndex - 1);
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c = m[0].charAt(0);
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if(SPACE_CHARS.indexOf(c) > -1) {
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word += m[0];
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} else if('\t' === c) {
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if('expand' === options.tabHandling) {
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// Good info here: http://c-for-dummies.com/blog/?p=424
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word += expandTab(result.wrapped[i].length + word.length) + options.tabChar;
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} else {
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word += m[0];
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}
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}
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appendWord();
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wordStart = REGEXP_WORD_WRAP.lastIndex + m[0].length - 1;
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}
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word = text.substring(wordStart);
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appendWord();
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return result;
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}
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function wordWrapText(text, options) {
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//
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@ -65,6 +191,7 @@ function wordWrapText(text, options) {
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results.firstWrapRange = { start : wordStart, end : wordStart + w.length };
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//results.firstWrapRange = { start : wordStart, end : wordStart + wordLen };
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}
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// :TODO: Must handle len of |w| itself > options.width & split how ever many times required (e.g. handle paste)
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results.wrapped[++i] = w;
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} else {
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results.wrapped[i] += w;
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@ -105,4 +232,16 @@ function wordWrapText(text, options) {
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addWord();
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return results;
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}
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}
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//const input = 'Hello, |04World! This |08i|02s a test it is \x1b[20Conly a test of the emergency broadcast system. What you see is not a joke!';
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//const input = "Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five enturies, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.";
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const iconv = require('iconv-lite');
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const input = iconv.decode(require('fs').readFileSync('/home/nuskooler/Downloads/msg_out.txt'), 'cp437');
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const opts = {
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width : 80,
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};
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console.log(wordWrapText2(input, opts).wrapped, 'utf8')
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